CN204545363U - Continuous casting intelligence Argon control system - Google Patents
Continuous casting intelligence Argon control system Download PDFInfo
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- CN204545363U CN204545363U CN201520080983.4U CN201520080983U CN204545363U CN 204545363 U CN204545363 U CN 204545363U CN 201520080983 U CN201520080983 U CN 201520080983U CN 204545363 U CN204545363 U CN 204545363U
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Abstract
The utility model discloses a kind of continuous casting intelligence Argon control system, comprise continuous casting intelligence Argon switch board and continuous casting intelligence Argon control box; Described continuous casting intelligence Argon switch board comprises electric unit and machine assembly; Described electric unit is provided with programmable logic controller (PLC), power supply, breaker and relay; Described machine assembly comprises source of the gas processing unit and source of the gas controls output unit; The number that described source of the gas exports branch road is 4-7 bar; Also comprise a host computer, described continuous casting intelligence Argon switch board is connected with described host computer by communication cable.The utility model proposes a kind of continuous casting intelligence Argon control system realizing accurately controlling argon bottom-blowing flow and pressure; it not only improves the degree of purity of molten steel, reduces the secondary oxidation of molten steel; and effectively avoid field trash block stopper, the mouth of a river or enter crystallizer, thus guarantee whole process protection cast effect in casting process.
Description
Technical field
The utility model relates to casting apparatus technical field, particularly the technical field of the argon blowing rate control system of casting apparatus, refers to a kind of continuous casting intelligence Argon control system especially.
Background technology
Continuous casting is the abbreviation of continuous casting steel machine (English, Continuous Steel Casting).Produce in all kinds of steel products process in steel plant, use the main method that solidification of molten steel is shaping.With orthodox casting ratio, continuous casting technology has significantly raising recovery rate of iron and slab quality, the significant advantages such as economize energy.
Conticaster casting process is the key link of molten steel nitrogen pick-up.Molding casting (also known as non-oxidation molding casting) is the important means of producing clean steel.Wherein, continuous casting intelligence Argon technology is mainly concerned with great Bao, middle bag and crystallizer.Large bag refers to ladle continuous casting link panoramic table being contained molten steel, and common saying is also ladle, and middle Bao Quan is named as tundish, and common saying is also pans; First middle bag accepts to water from ladle the molten steel got off, and then is assigned in each crystallizer by middle water containing opening and goes.Tundish as one of main equipment of casting process, the intermediate link of STEELMAKING PRODUCTION flow process in fact, and be the connecting points being turned to continued operation by intermittently operated.Tundish is the important ring improving output of steel and quality as metallurgical reaction.Carrying out smoothly or suiting the requirements for guarantee molten steel quality no matter lower than continuous casting operation, the effect of tundish is all very important.Metallurgical argon bottom-blowing technology, in the application of continuous casting, comprises the protection of large bag to middle bag beam, the protection of middle bag liquid level, the link such as protection of beam between middle bag to crystallizer.The collision of Particulate Inclusion can be promoted to grow up and seizure is mingled with at tundish winding-up argon gas, the gas be blown into is generally argon gas.Secondly its effect produced mainly removal of inclusions is prevent long nozzle dross from blocking; Long nozzle Argon, middle bag air brick Argon, air curtain barricade wall Argon, stopper Argon, slide plate Argon is generally had, filling pipe end Argon, submersed nozzle Argon from large bag to the Argon control point of crystallizer; Can reduce the inclusion content in steel billet in several link Argon as above, be reduce external and endogenous inclusion effectively approach.
Current large steel-making plant majority adopts Non-follow control to regulate argon flow amount and pressure, and (some occasions also have employing control valve to regulate argon flow amount and pressure), realizes the beam protection of link described above.
Wherein, the effect of the Argon of links and its shortcoming existed as follows:
1, large bag is to the protection of middle parlor beam, the protection of middle bag liquid level, Argon between slide plate plate, according to Non-follow control, dynamically cannot keep the pressure-fired of Argon position or beam passage, easily cause the nitrogen in air, oxygen enters molten steel, cause nitrogen pick-up and the secondary oxidation of molten steel, affect molding casting effect;
2, when middle bag air curtain barricade wall air-blowing quantity is too large, molten steel disturbance can be strengthened, for actual production, winding slag probability during this disturbance can increase;
3, stopper, submersed nozzle adopts manually or control valve Argon, flow is too small, often quantitatively cannot remove stopper caput and water gap bowl portion, alundum (Al2O3) (Al2O3) deposition of mouth of a river wall and discharge opening, these field trashes easily block the mouth of a river, cause cast to be interrupted, affect stopper, submersed nozzle life-span, field trash even can enter crystallizer with beam or enter steel billet; Flow is excessive, and Argon Bubble brings crystallizer into, and argon gas stream causes Mold disturbance, even enters steel billet.In sum, argon gas Dynamic controlling is not good, can affect Slab quality.
Utility model content
The object of the utility model patent is to propose a kind of continuous casting intelligence Argon control system realizing accurately controlling argon bottom-blowing flow and pressure; it not only improves the degree of purity of molten steel, reduces the secondary oxidation of molten steel; and effectively avoid field trash block stopper, the mouth of a river or enter crystallizer, thus guarantee whole process protection cast effect in casting process.
To achieve these goals, the technical scheme that the utility model is taked is: a kind of continuous casting intelligence Argon control system, comprises continuous casting intelligence Argon switch board and continuous casting intelligence Argon control box;
Described continuous casting intelligence Argon switch board comprises electric unit and machine assembly;
Described electric unit is provided with programmable logic controller (PLC), power supply, breaker and relay;
Described programmable logic controller (PLC) comprises CPU, digital quantity processing module, analog quantity processing module and communication module;
Described machine assembly comprises source of the gas processing unit and source of the gas controls output unit;
Described source of the gas processing unit is the source of the gas process that source of the gas controls output unit, comprises the air inlet hand valve, filter, pressure-regulating valve and the gas cushion that connect successively; Also comprise the first Pressure gauge, described first Pressure gauge is arranged on the gas pipeline between described pressure-regulating valve and gas cushion; Also comprise the first pressure sensor, described first pressure sensor is connected with described gas cushion;
Described source of the gas controls output unit and comprises source of the gas process branch road and Argon point; Described source of the gas process branch road and Argon point connect and compose a source of the gas and export branch road;
It is that 4-7 bar source of the gas exports branch road that described source of the gas controls output unit;
Also comprise a host computer, described continuous casting intelligence Argon switch board is connected with described host computer by communication cable.
A kind of continuous casting intelligence Argon control system as above, wherein, described Argon point is long nozzle Argon point, stopper Argon point, middle bag air brick Argon point, barricade Argon point, slide plate Argon point, filling pipe end Argon point or submersed nozzle Argon point.
A kind of continuous casting intelligence Argon control system as above, wherein, described source of the gas process branch road comprises the manual ball valve, mass flow controller, a way solenoid valve, the second pressure sensor, the second Pressure gauge and the output branch road hand valve that connect successively; Be connected respectively with described gas cushion after described many source of the gas process branch circuit parallel connections;
Described mass flow controller, the first pressure sensor, the second pressure sensor, a way solenoid valve connect described programmable logic controller (PLC) and relay.
A kind of continuous casting intelligence Argon control system as above, wherein, described continuous casting intelligence Argon control box is provided with human-computer interaction module, power lights, alarm lamp, power switch button and this locality/stopping/remote button;
Described human-computer interaction module is connected with the communication module of described programmable logic controller (PLC);
Described power lights, alarm lamp, power switch button are connected with the digital quantity processing module of described programmable logic controller (PLC) with this locality/stopping/remote button.
Described programmable logic controller (PLC) connects described host computer by communication module.
A kind of continuous casting intelligence Argon control system as above, wherein, described human-computer interaction module is the control button that a touch-screen and each bar source of the gas export branch road; The control button that described each bar source of the gas exports branch road is respectively source of the gas increases button and source of the gas reduction button;
Described touch-screen is connected with the communication module of described programmable logic controller (PLC); Described each bar source of the gas exports the control button of branch road and is connected with the digital quantity processing module of described programmable logic controller (PLC).
A kind of continuous casting intelligence Argon control system as above, wherein, the top of described continuous casting intelligence Argon switch board is provided with a signal lamp, and described signal lamp is connected with described programmable logic controller (PLC).
Compared with prior art, the beneficial effect that the utility model produces is mainly reflected in:
1, a kind of continuous casting intelligence Argon control system of the present utility model, by arranging continuous casting intelligence Argon control box or series-casting control system host computer parameter, the electric unit controlled by Argon and machine assembly, the accurate control to argon flow amount can be realized, improve the degree of purity of molten steel, to guarantee the cast effect of casting process;
2, a kind of continuous casting intelligence Argon control system of the present utility model, wherein, argon gas be blown into following effect:
1. being blown into of argon gas, compensate for the negative pressure of inside, the mouth of a river, prevents the precipitation of alundum (Al2O3);
2. the mechanical purge effect of argon gas stream, prevents alundum (Al2O3) in the attachment of mouth of a river inwall;
3. the surface tension absorption alundum (Al2O3) particle of Argon Bubble is to Argon Bubble surface, floats in middle bag or crystallizer protecting residue;
3, a kind of continuous casting intelligence Argon control system of the present utility model, makes strand Large Inclusions content significantly reduce, and has stopped the phenomenon that argon gas pollutes molten steel;
4, a kind of continuous casting intelligence Argon control system of the present utility model, is not only the means that the line feeding of middle bag refining liquid steel provides alloying and impurity to float; Also can coordinate tundish vacuum casting technique, reduce molten steel secondary pollution, prevent secondary oxidation, promote inclusion floating, improve the quality of strand.
5, in a word, continuous casting intelligence Argon control system reduces the secondary pollution of molten steel, improves slab quality, and effectively can reduce and block the cast caused and interrupt, increase large bag through in wrap life-span of beam pass element between crystallizer; With traditional regulation method ratio, there is significant advantage.
Accompanying drawing explanation
Fig. 1 is a kind of continuous casting intelligence Argon control system connection diagram of the present utility model;
Fig. 2 is the connection diagram of continuous casting of the present utility model intelligence Argon switch board;
Fig. 3 is the connection diagram of continuous casting of the present utility model intelligence Argon control box
Description of reference numerals:
1, continuous casting intelligence Argon control box 2, continuous casting intelligence Argon switch board 3, touch-screen
4, control button 5, power lights 6, power switch button
7, this locality/stopping/remote button 81, air inlet hand valve 82, filter
83, pressure-regulating valve 84, gas cushion 91, long nozzle Argon point
92, stopper Argon point 93, middle bag air brick Argon point 94, barricade Argon point
85, the first Pressure gauge 86, first pressure sensor 911, branch road manual ball valve
912 mass flow controllers 913, way solenoid valve 914, second pressure sensor
915, the second Pressure gauge 916, output branch road hand valve 10, host computer
41, source of the gas increases button 42, source of the gas reduces button 11, source of the gas
12, signal lamp 13, alarm lamp
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, Figure 2 and Figure 3, a kind of continuous casting intelligence Argon control system of the present utility model, comprises continuous casting intelligence Argon switch board 2 and continuous casting intelligence Argon control box 1; Described continuous casting intelligence Argon switch board 2 comprises electric unit and machine assembly; Described electric unit is provided with programmable logic controller (PLC), power supply, breaker and relay; Described programmable logic controller (PLC) comprises CPU, digital quantity processing module, analog quantity processing module and communication module; Described machine assembly comprises source of the gas processing unit and source of the gas controls output unit; Described source of the gas processing unit is the source of the gas process that source of the gas controls output unit, comprises the air inlet hand valve 81, filter 82, pressure-regulating valve 83 and the gas cushion 84 that connect successively; Also comprise the first Pressure gauge 85, described first Pressure gauge 85 is arranged on the gas pipeline between described pressure-regulating valve 83 and gas cushion 84; Also comprise the first pressure sensor 86, described first pressure sensor 86 is connected with described gas cushion 84; Described source of the gas controls output unit and comprises source of the gas process branch road and Argon point; Described source of the gas process branch road and Argon point connect and compose a source of the gas and export branch road; It is that 4-7 bar source of the gas exports branch road that described source of the gas controls output unit; Also comprise a host computer 10, described continuous casting intelligence Argon switch board 2 is connected with described host computer 10 by communication cable.
A kind of continuous casting intelligence Argon control system of the present utility model, is described below by the order of beam:
1, large bag is to the protection (ladle long nozzle protective casting) of middle parlor beam, argon gas-sealed is passed into exactly in the lower water gap bowl portion (or ventilative ring of long nozzle upper end) of refractory sleeve and steel ladle sliding water gap, argon gas passes into ring-shaped groove (or ventilative ring) and forms argon gas curtain afterwards, and forms the pressure-fired of Argon position or beam passage;
2, the protection of middle bag liquid level, is blown into argon gas at middle bag air curtain barricade wall exactly, and the space effectively between middle cinder inclusion layer and middle handbag lid forms argon gas-sealed;
3, stopper de-plugging, submersed nozzle de-plugging, is blown into argon gas at stopper argon blowing hole exactly, and argon gas is from stopper caput and water gap bowl portion, and mouth of a river wall and discharge opening blowout, control flow, eliminates or while very big minimizing oxide deposition, does not cause crystallizer molten steel disturbance;
4, slide plate Argon, is exactly argon gas curtain between slide plate plate, and keeps the pressure-fired of Argon position or beam passage.
A kind of continuous casting intelligence Argon control system of the present utility model, the successful use of continuous casting intelligence Argon control system, mainly has following effect:
(1) for the line feeding of middle bag refining liquid steel provides the means of alloying and impurity floating;
(2) coordinate tundish vacuum casting technique, reduce molten steel secondary pollution, prevent secondary oxidation, promote inclusion floating, improve the quality of strand.
As depicted in figs. 1 and 2, a kind of continuous casting intelligence Argon control system of the present utility model, described Argon point is long nozzle Argon point, stopper Argon point, middle bag air brick Argon point, barricade Argon point, slide plate Argon point, filling pipe end Argon point or submersed nozzle Argon point.
Known see Fig. 2, this Argon point can adjust according to actual needs, therefore the Argon point that the present embodiment relates to mainly comprises following four comparatively common Argon points: long nozzle Argon point, stopper Argon point, middle bag air brick Argon point, barricade Argon point.User can carry out adjusting the number that source of the gas exports branch road according to actual needs, does not again do concrete restriction.
As depicted in figs. 1 and 2, a kind of continuous casting intelligence Argon control system of the present utility model, described source of the gas process branch road comprises the manual ball valve 911, mass flow controller 912, way solenoid valve 913, second pressure sensor 914, second Pressure gauge 915 and the output branch road hand valve 916 that connect successively; Be connected respectively with described gas cushion 84 after described many source of the gas process branch circuit parallel connections; Described mass flow controller 912, first pressure sensor 86, second pressure sensor 914, a way solenoid valve 913 connect described programmable logic controller (PLC) and relay.
As shown in Figure 1, a kind of continuous casting intelligence Argon control system of the present utility model, continuous casting intelligence Argon switch board connects outside 220VAC and powers, 24VDC is provided to power to Argon control box, continuous casting intelligence Argon switch board 2 is connected with continuous casting intelligence Argon control box 1 and host computer 10 by communication cable, and host computer 10 connects outside 220VAC and powers.
As shown in Figure 3, a kind of continuous casting intelligence Argon control system of the present utility model, described continuous casting intelligence Argon control box 1 is provided with human-computer interaction module, power lights 5, alarm lamp 13, power switch button 6 and this locality/stopping/remote button 7; Described human-computer interaction module is connected with the communication module of described programmable logic controller (PLC); Described power lights 5, alarm lamp 13, power switch button 6 are connected with the digital quantity processing module of described programmable logic controller (PLC) with this locality/stopping/remote button 7.
Wherein, this locality/stopping/remote button 7 is for switching different control modes, and when this button is placed in this locality time, operator can get final product complete operation on continuous casting intelligence Argon control box 1; When it is placed in long-range time, operator can on host computer 10 complete operation; When it is placed in stopping, then stop the control to this control system.
Wherein, described human-computer interaction module is the control button 4 that a touch-screen 3 and each bar source of the gas export branch road; The control button 4 that described each bar source of the gas exports branch road is respectively source of the gas increases button 41 and source of the gas reduction button 42;
Described touch-screen 3 is connected with the communication module of described programmable logic controller (PLC); Described each bar source of the gas exports the control button 4 of branch road and is connected with the digital quantity processing module of described programmable logic controller (PLC).
As shown in Figure 1, Figure 2 and Figure 3, a kind of continuous casting intelligence Argon control system of the present utility model, the control button 4 that each bar source of the gas that continuous casting intelligence Argon control box 1 is arranged exports branch road is respectively source of the gas increase button 41 and source of the gas reduction button 42, and its number is corresponding with the number that actual source of the gas exports branch road.
In the present embodiment, source of the gas increases button 41 and source of the gas and reduces button 42 and be respectively four, exports that branch road is mutual corresponding to be controlled respectively with four sources of the gas, and operator can carry out gas source and flow amount adjustment to any controlling brancher as required, it has easy and simple to handle, conveniently feature.
A kind of continuous casting intelligence Argon control system of the present utility model, in the course of work, open air inlet hand valve 81, this source of the gas 11 enters in gas piping, it is first through filter 82, pressure-regulating valve 83, gas cushion 84, this filter 82 pairs of sources of the gas filter, by impurity gear outside filter 82, pressure-regulating valve 83 carries out pressure adjustment to source of the gas as the case may be, subsequently, this source of the gas enters in gas cushion 84, enter long nozzle source of the gas respectively from this gas cushion 84 gas out and export branch road 91, slide plate exports branch road 92, stopper source of the gas exports branch road 93 and air curtain barricade wall source of the gas exports branch road 94, after the source of the gas that described source of the gas exports branch road enters this branch road, successively through branch road manual ball valve 911, mass flow controller 912, way solenoid valve 913, second pressure sensor 914, second Pressure gauge 915 and output branch road hand valve 916, enter source of the gas output unit subsequently, described source of the gas output unit exports branch road hand valve 916 by one and controls its break-make, wherein, described mass flow controller 912, first pressure sensor 86, second pressure sensor 914, a way solenoid valve 913 connect described programmable logic controller (PLC), therefore user can realize the accurate control of argon blowing rate as required by continuous casting intelligence Argon control box 1 or host computer 10.
A kind of continuous casting intelligence Argon control system of the present utility model, the top of described continuous casting intelligence Argon switch board is provided with a signal lamp, and described signal lamp 12 is connected with described programmable logic controller (PLC).
Described signal lamp 12 is multilayer instruction beacon, is connected, indicating equipment duty, comprises normal, branch road or equipment alarm information with the digital quantity processing module of programmable logic controller (PLC); Equipment display green light working properly Chang Liang, branch road alarm indication amber light is glittering, source of the gas alarm indication red light Chang Liang.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can in essence of the present utility model and protection domain, and make various amendment or equivalent replacement to the utility model, this amendment or equivalent replacement also should be considered as dropping in protection domain of the present utility model.
Claims (6)
1. a continuous casting intelligence Argon control system, comprises continuous casting intelligence Argon switch board and continuous casting intelligence Argon control box, it is characterized in that:
Described continuous casting intelligence Argon switch board comprises electric unit and machine assembly;
Described electric unit is provided with programmable logic controller (PLC), power supply, breaker and relay;
Described programmable logic controller (PLC) comprises CPU, digital quantity processing module, analog quantity processing module and communication module;
Described machine assembly comprises source of the gas processing unit and source of the gas controls output unit;
Described source of the gas processing unit is the source of the gas process that source of the gas controls output unit, comprises the air inlet hand valve, filter, pressure-regulating valve and the gas cushion that connect successively; Also comprise the first Pressure gauge, described first Pressure gauge is arranged on the gas pipeline between described pressure-regulating valve and gas cushion; Also comprise the first pressure sensor, described first pressure sensor is connected with described gas cushion;
Described source of the gas controls output unit and comprises source of the gas process branch road and Argon point; Described source of the gas process branch road and Argon point connect and compose a source of the gas and export branch road;
It is that 4-7 bar source of the gas exports branch road that described source of the gas controls output unit;
Also comprise a host computer, described continuous casting intelligence Argon switch board is connected with described host computer by communication cable.
2. a kind of continuous casting intelligence Argon control system according to claim 1, is characterized in that:
Described Argon point is long nozzle Argon point, stopper Argon point, middle bag air brick Argon point, barricade Argon point, slide plate Argon point, filling pipe end Argon point or submersed nozzle Argon point.
3. a kind of continuous casting intelligence Argon control system according to claim 2, is characterized in that:
Described source of the gas process branch road comprises the manual ball valve, mass flow controller, a way solenoid valve, the second pressure sensor, the second Pressure gauge and the output branch road hand valve that connect successively; Be connected respectively with described gas cushion after many source of the gas process branch circuit parallel connections;
Described mass flow controller, the first pressure sensor, the second pressure sensor, a way solenoid valve connect described programmable logic controller (PLC) and relay.
4. a kind of continuous casting intelligence Argon control system according to claim 3, is characterized in that:
Described continuous casting intelligence Argon control box is provided with human-computer interaction module, power lights, alarm lamp, power switch button and this locality/stopping/remote button;
Described human-computer interaction module is connected with the communication module of described programmable logic controller (PLC);
Described power lights, alarm lamp, power switch button are connected with the digital quantity processing module of described programmable logic controller (PLC) with this locality/stopping/remote button,
Described programmable logic controller (PLC) connects described host computer by communication module.
5. a kind of continuous casting intelligence Argon control system according to claim 4, is characterized in that:
Described human-computer interaction module is the control button that a touch-screen and each bar source of the gas export branch road; The control button that described each bar source of the gas exports branch road is respectively source of the gas increases button and source of the gas reduction button;
Described touch-screen is connected with the communication module of described programmable logic controller (PLC); Described each bar source of the gas exports the control button of branch road and is connected with the digital quantity processing module of described programmable logic controller (PLC).
6. a kind of continuous casting intelligence Argon control system according to claim 5, is characterized in that:
The top of described continuous casting intelligence Argon switch board is provided with a signal lamp, and described signal lamp is connected with described programmable logic controller (PLC).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106955984A (en) * | 2016-01-08 | 2017-07-18 | 宝山钢铁股份有限公司 | Handle the autocontrol method and system of continuous casting channel blockage |
| CN109128129A (en) * | 2018-07-19 | 2019-01-04 | 首钢集团有限公司 | A method of reducing nozzle blocking |
| CN110394432A (en) * | 2019-08-22 | 2019-11-01 | 联峰钢铁（张家港）有限公司 | A kind of method of inspection and device of continuous casting protection pouring |
| CN111308574A (en) * | 2020-02-12 | 2020-06-19 | 首钢集团有限公司 | Device and method for detecting blockage of refractory material in steelmaking continuous casting process |
| CN111545740A (en) * | 2020-05-18 | 2020-08-18 | 芜湖新兴铸管有限责任公司 | Automatic control system for air seal of ladle nozzle |
| CN111922310A (en) * | 2020-07-23 | 2020-11-13 | 宝武集团马钢轨交材料科技有限公司 | Continuous casting ladle long nozzle argon seal online dynamic control device and method |
| CN113369470A (en) * | 2021-06-11 | 2021-09-10 | 马鞍山钢铁股份有限公司 | Continuous casting rotary table ladle bottom argon blowing equipment and using method thereof |
| CN114130978A (en) * | 2021-11-29 | 2022-03-04 | 中冶华天南京工程技术有限公司 | Intelligent centralized control method for continuous casting |
| WO2024098765A1 (en) * | 2022-11-08 | 2024-05-16 | 莱芜钢铁集团银山型钢有限公司 | Argon bottom-blowing control device for continuous casting ladle turret, and method for removing inclusions by means of soft blowing |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955984A (en) * | 2016-01-08 | 2017-07-18 | 宝山钢铁股份有限公司 | Handle the autocontrol method and system of continuous casting channel blockage |
| CN106955984B (en) * | 2016-01-08 | 2019-04-23 | 宝山钢铁股份有限公司 | Handle the autocontrol method of continuous casting channel blockage |
| CN109128129A (en) * | 2018-07-19 | 2019-01-04 | 首钢集团有限公司 | A method of reducing nozzle blocking |
| CN110394432A (en) * | 2019-08-22 | 2019-11-01 | 联峰钢铁（张家港）有限公司 | A kind of method of inspection and device of continuous casting protection pouring |
| CN110394432B (en) * | 2019-08-22 | 2021-09-07 | 联峰钢铁（张家港）有限公司 | Method and device for inspecting continuous casting protection pouring |
| CN111308574A (en) * | 2020-02-12 | 2020-06-19 | 首钢集团有限公司 | Device and method for detecting blockage of refractory material in steelmaking continuous casting process |
| CN111308574B (en) * | 2020-02-12 | 2022-08-12 | 首钢集团有限公司 | Device and method for detecting blockage of refractory material in steelmaking continuous casting process |
| CN111545740A (en) * | 2020-05-18 | 2020-08-18 | 芜湖新兴铸管有限责任公司 | Automatic control system for air seal of ladle nozzle |
| CN111922310A (en) * | 2020-07-23 | 2020-11-13 | 宝武集团马钢轨交材料科技有限公司 | Continuous casting ladle long nozzle argon seal online dynamic control device and method |
| CN113369470A (en) * | 2021-06-11 | 2021-09-10 | 马鞍山钢铁股份有限公司 | Continuous casting rotary table ladle bottom argon blowing equipment and using method thereof |
| CN114130978A (en) * | 2021-11-29 | 2022-03-04 | 中冶华天南京工程技术有限公司 | Intelligent centralized control method for continuous casting |
| WO2024098765A1 (en) * | 2022-11-08 | 2024-05-16 | 莱芜钢铁集团银山型钢有限公司 | Argon bottom-blowing control device for continuous casting ladle turret, and method for removing inclusions by means of soft blowing |
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